use pytest.importorskip rather than ignoring
use pytest.importorskip rather than ignoring

simudream/dask,cowlicks/dask,ssanderson/dask,mraspaud/dask,simudream/dask,blaze/dask,jayhetee/dask,clarkfitzg/dask,vikhyat/dask,wiso/dask,jakirkham/dask,chrisbarber/dask,ContinuumIO/dask,jayhetee/dask,jcrist/dask,cpcloud/dask,blaze/dask,pombredanne/dask,gameduell/dask,pombredanne/dask,mrocklin/dask,PhE/dask,mikegraham/dask,dask/dask,PhE/dask,mraspaud/dask,vikhyat/dask,wiso/dask,jcrist/dask,dask/dask,ContinuumIO/dask,mrocklin/dask,jakirkham/dask,clarkfitzg/dask,ssanderson/dask